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Table 1 Clinical characteristics of patients with lung cancer and tumor-free individuals (controls) with respiratory diseases

From: Translation of a tissue epigenetic signature to circulating free DNA suggests BCAT1 as a potential noninvasive diagnostic biomarker for lung cancer

Patients

Discovery cohort

Non-tumoral donor (n = 39)

Lung cancer patients (n = 44)

Age (years)

68 (53–82)

64 (31–90)

Sex

  

 Male

34 (77%)

25 (64%)

 Female

10 (23%)

14 (36%)

Smoking history

  

 Smoker

22 (50%)

6 (15%)

 Former smoker

9 (20%)

17 (44%)

 Nonsmoker

13 (30%)

14 (36%)

 Unknown

0 (0%)

2 (5%)

Stage

  

 I

4 (9%)

 

 II

7 (16%)

 

 III

3 (7%)

 

 IV

30 (68%)

 

Histology

  

 Adenocarcinoma (AC)

31 (70%)

 

 Squamous cell carcinoma (SCC)

13 (30%)

 
  1. Data are average (range) or number (%)